Power Systems A buchholz relay is used for nether 1 nor 2 both 1 and 2 protection of a transformer against all external faults protection of a transformer against all internal faults nether 1 nor 2 both 1 and 2 protection of a transformer against all external faults protection of a transformer against all internal faults ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the diameter of the conductor is increased no change in inductance and resistance the inductance is increased the resistance is increased the inductance is decreased no change in inductance and resistance the inductance is increased the resistance is increased the inductance is decreased ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power transfer in a transmission line can be obtained by reducing reactance increasing voltage level either 1 or 2 None of these reducing reactance increasing voltage level either 1 or 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm cosωt? 2.63 msec 1.47 msec 4.68 msec 9.68 2.63 msec 1.47 msec 4.68 msec 9.68 ANSWER DOWNLOAD EXAMIANS APP
Power Systems An ACSR conductor has a diameter of 2 cm has internal inductance of 0.05 mH/Km. If this ACSR is replaced with another having a diameter of 4 cm then its internal inductance is 0.025 mH/Km 0 mH/Km 0.1 mH/Km 0.05 mH/Km 0.025 mH/Km 0 mH/Km 0.1 mH/Km 0.05 mH/Km ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power. Find the load angle? 60° 35° 30° 45° 60° 35° 30° 45° ANSWER DOWNLOAD EXAMIANS APP
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